Quote:
Originally Posted by Dabaitu
Lower speeds are better for economy as your own test shows. Car has to do less work to push through the air.
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Agree, can't defy the laws of physics. Increased speed means more air resistance, needs more power, uses more energy, burns more fuel.
When cruising and you have to slow down to go through restricted zones, mpg improves, particularly if you can stay in the highest gear... simples.
HighlandPete